On November 9th, the large lock is scheduled to be closed to marine traffic from 6 a.m. through November 24 until 4 p.m. for annual maintenance. The small lock will be available to vessels up to 120 feet long and 26 feet wide during the large lock closure period. Government, commercial, and emergency vessels have priority. Procedures for transiting the Hiram M. Chittenden Locks in Ballard are described in the Waggoner Cruising Guide in the South/Central Puget Sound chapter.